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https://www.readbyqxmd.com/read/30341634/hair-follicle-associated-pluripotent-hap-stem-cells-encapsulated-on-polyvinylidene-fluoride-membranes-pfm-promote-functional-recovery-from-spinal-cord-injury
#1
Koya Obara, Natsuko Tohgi, Kyoumi Shirai, Sumiyuki Mii, Yuko Hamada, Nobuko Arakawa, Ryoichi Aki, Shree Ram Singh, Robert M Hoffman, Yasuyuki Amoh
Our previous studies showed that nestin-expressing hair follicle-associated-pluripotent (HAP) stem cells, which reside in the bulge area of the hair follicle, could restore injured nerve and spinal cord and differentiate into cardiac muscle cells. Here we transplanted mouse green fluorescent protein (GFP)-expressing HAP stem-cell colonies enclosed on polyvinylidene fluoride membranes (PFM) into the severed thoracic spinal cord of nude mice. After seven weeks of implantation, we found the differentiation of HAP stem cells into neurons and glial cells...
October 19, 2018: Stem Cell Reviews
https://www.readbyqxmd.com/read/30341286/targeting-enhancer-of-zeste-homolog-2-protects-against-acute-kidney-injury
#2
X Zhou, X Zang, Y Guan, T Tolbert, T C Zhao, G Bayliss, S Zhuang
Despite the established oncogenic and profibrotic functions of enhancer of zeste homolog 2 (EZH2), a methyltransferase that induces histone H3 lysine 27 trimethylation (H3K27me3), its role in acute kidney injury (AKI) remains unclear. In this study, we demonstrated that EZH2 and H3K27me3 were upregulated in the murine kidney with AKI induced by either ischemia-reperfusion (I/R) or folic acid (FA). Pharmacologic inhibition of EZH2 with 3-deazaneplanocin A (3-DZNeP) prevented tubular injury in both models as demonstrated by reduced renal dysfunction, diminished neutrophil gelatinase-associated lipocalin expression and decreased renal tubular cell death...
October 19, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/30337682/surfactant-protein-d-attenuates-acute-lung-and-kidney-injuries-in-pneumonia-induced-sepsis-through-modulating-apoptosis-inflammation-and-nf-%C3%AE%C2%BAb-signaling
#3
Juan Du, Osama Abdel-Razek, Qiao Shi, Fengqi Hu, Guohua Ding, Robert N Cooney, Guirong Wang
Pneumonia and sepsis are major risk factors for acute kidney injury (AKI). Patients with pneumonia and AKI are at increased risk for morbidity and mortality. Surfactant protein D (SP-D) expressed in lung and kidney plays important roles in innate immunity. However, little is known about the role of organ-specific SP-D in the sepsis. The current study uses wild type (WT), SP-D knockout (KO), and humanized SP-D transgenic (hTG, lung-specific SP-D expression) mice to study organ-specific role of SP-D in pneumonia-induced sepsis...
October 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/30333884/kaempferol-a-natural-dietary-flavonoid-suppresses-17%C3%AE-estradiol-induced-survivin-expression-and-causes-apoptotic-cell-death-in-endometrial-cancer
#4
Agapiti Hipoliti Chuwa, Kenbun Sone, Katsutoshi Oda, Michihiro Tanikawa, Asako Kukita, Machiko Kojima, Shinya Oki, Tomohiko Fukuda, Makoto Takeuchi, Aki Miyasaka, Tomoko Kashiyama, Yuji Ikeda, Kazunori Nagasaka, Mayuyo Mori-Uchino, Yoko Matsumoto, Osamu Wada-Hiraike, Hiroyuki Kuramoto, Kei Kawana, Yutaka Osuga, Tomoyuki Fujii
Endometrioid endometrial carcinoma, commonly known as type 1 endometrial cancer, accounts for >80% of endometrial carcinomas and is dependent on estrogen. We recently reported on the prognostic significance of the BIRC5 survivin gene in endometrial cancer. Estradiol induces survivin expression in estrogen receptor-positive, but not in estrogen receptor-negative, cancer cells. Kaempferol, a bioflavonoid, reportedly inhibits estrogen receptor-α (ERα) in hormone receptor-positive breast cancer cells. However, whether kaempferol-mediated inhibition of ERα suppresses survivin and induces cell death in endometrial cancer remains unclarified...
November 2018: Oncology Letters
https://www.readbyqxmd.com/read/30333725/deletion-of-long-isoform-of-eukaryotic-elongation-factor-1b%C3%AE-leads-to-audiogenic-seizures-and-aversive-stimulus-induced-long-lasting-activity-suppression-in-mice
#5
Taku Kaitsuka, Hiroshi Kiyonari, Aki Shiraishi, Kazuhito Tomizawa, Masayuki Matsushita
Alternative splicing enables a gene to give rise to diverse protein products. The Eef1d gene produces two isoforms: a short isoform that encodes translation elongation factor 1Bδ (eEF1Bδ1), and a long isoform that encodes the heat shock-responsive transcription factor eEF1BδL. Previously, we found that eEF1BδL was a splice variant that was specific to the brain and testis, and the protein encoded is thought to have a function in the central nervous system. In this study, we generated knockout (KO) mice of C57BL/6J background that selectively lacked a specific exon in Eef1d for the long isoform...
2018: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/30328178/cyr61-a-specific-ultra-early-biomarker-in-kidney-ischemia-reperfusion-injury
#6
Cheney Li, Long Zhao, Yanfei Wang, Lin Che, Hong Luan, Congjuan Luo, Yan Xu
AIM: Studies have shown that cysteine-rich protein 61 (Cyr61) increased in the post-ischemic human kidney tissue. However, it is still unknown whether Cyr61 can be used as a biomarker in kidney ischemia/reperfusion (I/R) injury METHODS: Microarray data were collected from GSE58438 and GSE52004. The rat I/R model was established to evaluate the mRNA and protein expression of Cyr61, localization of Cyr61 by immunohistochemical and immunofluorescence staining, and changes in serum creatinine (Scr) at the same time...
October 17, 2018: Nephrology
https://www.readbyqxmd.com/read/30325740/microrna-668-represses-mtp18-to-preserve-mitochondrial-dynamics-in-ischemic-acute-kidney-injury
#7
Qingqing Wei, Haipeng Sun, Shuwei Song, Yong Liu, Pengyuan Liu, Man J Livingston, Jianwen Wang, Mingyu Liang, Qing-Sheng Mi, Yuqing Huo, N Stanley Nahman, Changlin Mei, Zheng Dong
The pathogenesis of ischemic diseases remains unclear. Here we demonstrate the induction of microRNA-668 (mir-668) in ischemic acute kidney injury (AKI) in human patients, mice, and renal tubular cells. The induction was HIF-1dependant as HIF-1-deficiency in cells and kidney proximal tubules attenuated mir-668 expression. We further identified a functional HIF-1 binding site in mir-668 gene promoter. Anti-mir-668 increased apoptosis in renal tubular cells and enhanced ischemic AKI in mice, whereas mir-668 mimic was protective...
October 16, 2018: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/30318169/serum-concentrations-of-hgf-are-correlated-with-response-to-anti-pd-1-antibody-therapy-in-patients-with-metastatic-melanoma
#8
Yosuke Kubo, Satoshi Fukushima, Yukiko Inamori, Mina Tsuruta, Sho Egashira, Saori Yamada-Kanazawa, Satoshi Nakahara, Aki Tokuzumi, Azusa Miyashita, Jun Aoi, Ikko Kajihara, Yusuke Tomita, Kazumasa Wakamatsu, Masatoshi Jinnin, Hironobu Ihn
BACKGROUND: Anti-programmed cell death protein (PD)-1 antibody treatment is associated with a notable improvement in only 30%-40% of patients. Thus, a predictive and easily measured marker of the clinical benefit of anti-PD-1 antibody treatment is necessary; therefore, in this study, we focused on the serum concentration of hepatocyte growth factor (HGF). OBJECTIVES: To evaluate whether the serum concentration of HGF can be used as a biomarker for the clinical response to anti-PD-1 antibody therapy...
October 6, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/30316762/effect-of-pituitary-adenylate-cyclase-activating-polypeptide-pacap-in-the-regulation-of-hypothalamic-kisspeptin-expression
#9
Tuvshintugs Tumurbaatar, Haruhiko Kanasaki, Aki Oride, Hiroe Okada, Tomomi Hara, Zolzaya Tumurgan, Satoru Kyo
Pituitary adenylate cyclase-activating polypeptide (PACAP) and its receptor are broadly distributed in the brain, and PACAP is known to work as a multifunctional peptide. However, it is still largely unknown how PACAP affects the hypothalamic-pituitary-gonadal (HPG) axis. In this study, we examined the effect of PACAP on hypothalamic kisspeptin expression, a known regulator of gonadotropin-releasing hormone. We used two hypothalamic cell models, mHypoA-50 and mHypoA-55, which were originated from kisspeptin-expressing neuron in anterioventral periventricular nucleus and arcuate nucleus regions in the hypothalamus, respectively...
October 11, 2018: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/30314894/endoplasmic-reticulum-stress-is-activated-in-post-ischemic-kidneys-to-promote-chronic-kidney-disease
#10
Shaoqun Shu, Jiefu Zhu, Zhiwen Liu, Chengyuan Tang, Juan Cai, Zheng Dong
BACKGROUND: Acute kidney injury (AKI) may lead to the development of chronic kidney disease (CKD), i.e. AKI-CKD transition, but the underlying mechanism remains largely unclear. Endoplasmic reticulum (ER) stress is characterized by the accumulation of unfolded or misfolded proteins in ER resulting in a cellular stress response. The role of ER stress in AKI-CKD transition remains unknown. METHODS: In this study, we examined ER stress in the mouse model of AKI-CKD transition after unilateral renal ischemia-reperfusion injury (uIR)...
October 9, 2018: EBioMedicine
https://www.readbyqxmd.com/read/30313072/diagnostic-value-of-ultrasonography-in-synovitis-acne-pustulosis-hyperostosis-osteitis-sapho-syndrome-a-case-report
#11
Tomoyuki Asano, Makiko Yashiro Furuya, Yuya Fujita, Naoki Matsuoka, Shuzo Sato, Hiroko Kobayashi, Hiroshi Watanabe, Aki Honda, Kiyoshi Migita
RATIONALE: Synovitis-acne-pustulosis-hyperostosis-osteitis (SAPHO) syndrome is a rare condition that affects the skin, bones, and joints. Diagnosis of SAPHO syndrome is established based on clinical manifestations and imaging features on radiography or magnetic resonance imaging. PATIENT CONCERNS: We report a 44-year-old male with a 20-year history of pustulosis who presented with pain in the lower extremities. Plain radiography demonstrated hyperostosis with subperiosteal erosions in the right tibia...
October 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/30305832/expression-changes-of-autophagy-related-proteins-in-aki-patients-treated-with-crrt-and-their-effects-on-prognosis-of-adult-and-elderly-patients
#12
Yang Zhang, Ling Wang, Lei Meng, Guang-Ke Cao, Yu-Liang Zhao, Yu Wu
Background: Sepsis is one of the common death factors in intensive care unit, which refers to the systemic inflammatory response syndrome caused by infection. It has many complications such as acute renal injury, shock, multiple organ dysfunction, and failure. The mortality of acute renal injury is the highest among the complications, which is a serious threat to the safety of patients and affects the quality of life. This study aimed to observe the changes in autophagy-related protein expressions in patients with acute kidney injury (AKI) after continuous renal replacement therapy (CRRT) and their impacts on prognosis...
2018: Immunity & Ageing: I & A
https://www.readbyqxmd.com/read/30298655/role-of-c-reactive-protein-in-the-pathogenesis-of-acute-kidney-injury
#13
REVIEW
Ying Tang, Shiu-Kwong Mak, An P Xu, Hui-Yao Lan
Acute kidney injury (AKI) is characterized by both non-inflammatory and inflammatory process, and accumulating evidence has demonstrated that inflammation plays a key role in the pathogenesis and progression of AKI. C-reactive protein (CRP), an acute reactant produced by liver and many inflammatory cells, acts not only as an inflammation biomarker, but also as a pathogenic factor for AKI. Indeed, increased concentration of CRP is associated with poor outcome of varied etiologically related AKI patients. In recent years, the role of CRP is gradually recognized as an active participant in the pathogenesis and progression of AKI by exacerbating local inflammation, impairing the proliferation of damaged tubular epithelial cells and promoting fibrosis of injured renal tissue...
October 2018: Nephrology
https://www.readbyqxmd.com/read/30293924/the-c-reactive-protein-to-albumin-ratio-predicts-acute-kidney-injury-in-patients-with-st-segment-elevation-myocardial-infarction-undergoing-primary-percutaneous-coronary-intervention
#14
Yavuz Karabağ, Metin Çağdaş, Ibrahim Rencuzogullari, Süleyman Karakoyun, İnanç Artaç, Doğan İliş, Mahmut Yesin, Handan Çiftçi, Halil Ibrahim Erdoğdu, Ibrahim Halil Tanboğa
BACKGROUND: The relationship between acute kidney injury (AKI) and C-reactive protein (CRP) and albumin has been previously demonstrated in patients with ST elevation myocardial infarction (STEMI) treated with primary percutaneous coronary intervention (pPCI). However, to our knowledge, CRP to albumin ratio (CAR), a newly introduced inflammation-based risk score, has not yet been studied. In this study, we aimed to investigate the possible relationship between the CAR and AKI. METHOD: A total of 815 consecutive STEMI patients treated with pPCI were reviewed...
September 9, 2018: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/30292083/fragmentation-of-kidney-epithelial-cell-primary-cilia-occurs-by-cisplatin-and-these-cilia-fragments-are-excreted-into-the-urine
#15
Min Jung Kong, Sang Hong Bak, Ki-Hwan Han, Jee In Kim, Jeen-Woo Park, Kwon Moo Park
The primary cilium, which protrudes from the cell surface, is associated with the pathogenesis of various diseases, including acute kidney injury (AKI). Primary cilium length dynamically changes during the progression of diseases. However, its relevance in disease and the underlying mechanism are largely unknown. In this study, we investigated the role of primary cilia in AKI induced by cisplatin, an effective anticancer drug, and the underlying mechanisms. In addition, we evaluated the usefulness of length alteration and deciliation of primary cilia into the urine for the diagnosis of AKI...
September 25, 2018: Redox Biology
https://www.readbyqxmd.com/read/30288260/acute-kidney-injury-in-children-with-nephrotic-syndrome-a-single-center-study
#16
Manjuri Sharma, Arunima Mahanta, Anup Kumar Barman, P J Mahanta
Background: Children with nephrotic syndrome (NS) are at risk for the development of acute kidney injury (AKI) through a variety of mechanisms.The frequency of NS hospitalizations complicated by AKI has almost doubled in the last decade. Children with AKI have longer hospital length of stay and increased need for intensive care unit admission. The main objectives of this study were to determine the incidence, clinical characteristics, risk factors and short-term outcome of AKI in children hospitalized with NS...
October 2018: Clinical Kidney Journal
https://www.readbyqxmd.com/read/30280790/inhibition-of-parp-overactivation-protects-acute-kidney-injury-of-septic-shock
#17
Y-M Wang, R-L Han, S-G Song, X-P Yuan, X-S Ren
OBJECTIVE: To evaluate pathological lesions in New Zealand white rabbits with acute kidney injury (AKI) of septic shock and to explore the potential role of poly (ADP-ribose) polymerase (PARP) in regulating AKI development. MATERIALS AND METHODS: Endotoxic shock model in New Zealand white rabbits was first constructed. CVP (central venous pressure) was maintained at the baseline level by the saline administration. Rabbits were randomly assigned into sham group, LPS group, and LPS+3-AB group, respectively...
September 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/30278797/clinical-and-pathologic-characteristics-of-pauci-immune-anti-myeloperoxidase-antibody-associated-glomerulonephritis-with-nephrotic-range-proteinuria
#18
Peng-Cheng Xu, Tong Chen, Shan Gao, Shui-Yi Hu, Li Wei, Tie-Kun Yan
BACKGROUND: Heavy proteinuria in antineutrophil cytoplasmic antibody (ANCA)-associated glomerulonephritis (GN) is usually considered to be associated with immune deposits in renal biopsy. Nephrotic ANCA GN without immune deposits (pauci-immune) is rare and has not been studied specially. In this study characteristics of these patients are to be investigated. METHODS: Clinical and pathological characteristics from 20 kidney biopsy-proven pauci-immune anti-myeloperoxidase antibody-associated GN patients with nephrotic proteinuria were analyzed and were compared with ANCA GN patients without nephrotic proteinuria...
November 2018: Renal Failure
https://www.readbyqxmd.com/read/30266802/dual-targeting-of-aurora-kinases-with-amg-900-exhibits-potent-preclinical-activity-against-acute-myeloid-leukemia-with-distinct-post-mitotic-outcomes
#19
Marc Payton, Hung-Kam Cheung, Maria Stefania S Ninniri, Christian Marinaccio, William C Wayne, Kelly Hanestad, John D Crispino, Gloria Juan, Angela Coxon
Aurora kinase A and B have essential and non-overlapping roles in mitosis, with elevated expression in a subset of human cancers, including acute myeloid leukemia (AML). In this study, pan-aurora kinase inhibitor (AKI) AMG 900 distinguishes itself as an anti-leukemic agent that is more uniformly potent against a panel of AML cell lines than are isoform-selective AKIs and classic AML drugs. AMG 900 inhibited AML cell growth by inducing polyploidization and/or apoptosis. AMG 900 and aurora-B selective inhibitor AZD1152-hQPA showed comparable cellular effects on AML lines that do not harbor a FLT3-ITD mutation...
September 28, 2018: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/30266742/impaired-mitochondrial-fatty-acid-synthesis-leads-to-neurodegeneration-in-mice
#20
Remya R Nair, Henna Koivisto, Kimmo Jokivarsi, Ilkka J Miinalainen, Kaija J Autio, Aki Manninen, Heikki Tanila, J Kalervo Hiltunen, Alexander J Kastaniotis
There has been a growing interest towards mitochondrial fatty acid synthesis (mtFAS) since the recent discovery of a neurodegenerative human disorder termed MEPAN (mitochondrial enoyl reductase protein associated neurodegeneration), caused by mutations in the mitochondrial enoyl-CoA/ACP (acyl carrier protein) reductase (MECR) carrying out the last step of mtFAS. We show here that MECR protein is highly expressed in mouse Purkinje cells (PCs). To elucidate mtFAS function in neural tissue, we here generated a mouse line with a PC-specific knock-out (KO) of Mecr, leading to inactivation of mtFAS confined to this cell type...
September 28, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
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